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(11)

EP 2 109 967 A1

(12)

(43) Date of publication: 21.10.2009 Bulletin 2009/43 (21) Application number: 08705284.1 (22) Date of filing: 04.01.2008

(51) International Patent Classification (IPC):  H04L 12/56(2006.01) H04Q 7/32(0000.00) H04Q 7/30(0000.00) (86) International application number: PCT/SE2008/050011 (87) International publication number: WO 2008/097167 (14.08.2008 Gazette 2008/33)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 09.02.2007 US 889123 P (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventors: SCHLIWA-BERTLING, Paul S-590 71 Ljungsbro (SE) JOHANSSON, Ingemar S-976 32 Luleå (SE) DIACHINA, John, Walter Garner, NC 27529 (US) (74) Representative: Kühn, Friedrich Heinrich  Ericsson AB Patent Unit LTE Torshamnsgatan 23 164 80 Stockholm 164 80 Stockholm (SE)